The top 500 sites on the web
The sites in the top sites lists are ordered by their 1 month Alexa traffic rank.
The 1 month rank is calculated using a combination of average daily visitors and pageviews over the past month. The site with the highest combination of visitors and pageviews is ranked #1
- Academic Departments ( 6 )
- Agriculture ( 2,412 )
- Anomalies and Alternative Science ( 348 )
- Astronomy ( 2,747 )
- Biology ( 23,210 )
- By Region ( 0 )
- Chats and Forums ( 5 )
- Chemistry ( 3,093 )
- Directories ( 23 )
- Earth Sciences ( 4,382 )
- Educational Resources ( 249 )
- Employment ( 41 )
- Environment ( 4,894 )
- Events ( 35 )
- Instruments and Supplies ( 1,843 )
- Math ( 7,578 )
- Methods and Techniques ( 145 )
- News and Media ( 119 )
- Organizations ( 107 )
- People ( 0 )
- Physics ( 3,283 )
- Publications ( 183 )
- Reference ( 277 )
- Research Groups and Centers ( 46 )
- Science in Society ( 504 )
- Search Engines ( 13 )
- Social Sciences ( 14,832 )
- Software ( 133 )
- Technology ( 7,710 )
Showing 50 of 500 results
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Site
Daily Time on Site
Daily Time on Site
Estimated daily time on site (mm:ss) per visitor to the site. Updated daily based on the trailing 3 months.
Estimated daily time on site (mm:ss) per visitor to the site. Updated daily based on the trailing 3 months.
Daily Pageviews per Visitor
Daily Pageviews per Visitor
Estimated daily unique pageviews per visitor on the site. Updated daily based on the trailing 3 months.
Estimated daily unique pageviews per visitor on the site. Updated daily based on the trailing 3 months.
% of Traffic From Search
% of Traffic From Search
The percentage of all referrals that came from Search engines over the trailing month. Updated daily.
The percentage of all referrals that came from Search engines over the trailing month. Updated daily.
Total Sites Linking In
Total Sites Linking In
The total number of sites that Alexa found that link to this site. For more information please see this explanation of how Alexa determines the number of sites linking in.
The total number of sites that Alexa found that link to this site. For more information please see this explanation of how Alexa determines the number of sites linking in.
1
7:60
7.94
3.20%
3,245,791
2
3:48
3.27
48.90%
182,006
3
2:43
2.22
43.00%
15,859
4
3:03
2.77
27.00%
67,884
5
5:26
3.34
42.60%
5,063
6
A veritable cornucopia of streetwise lingo, posted and defined by its readers.
1:53
1.48
71.20%
28,938
7
Ranking of cryptocurrency and assets by market cap. Details and chart for each currency.
7:13
3.53
13.30%
3,283
8
14:37
6.08
4.40%
383
9
3:54
3.71
39.20%
20,991
10
3:31
2.08
13.40%
3,020
11
2:10
1.52
50.40%
20,187
12
To help engineer and technical communicators develop skills in written and oral presentation.
3:42
3.83
36.00%
31,521
13
Nature.com provides access to all Nature Publishing Group journals, online databases and servic…Morees, including Nature News, and the social network for scientists Nature Network. Nature Publishing Group publishes products across the life, physical and applied sciences and clinical medicine. Nature.com hosts more than 70 journals, including Nature . The site also include Nature Jobs, which features access to job listings, editorial content about scientific careers and other information. Less
2:48
2.57
36.40%
71,558
14
TED (Technology, Entertainment, Design) is an invitation-only event where the world's leading t…Morehinkers and doers gather to find inspiration. Initially an annual conference, the scope of TED has expanded to include a bi-annual global conference, a humanitarian prize, and free audio/video podcasts of extraordinary talks. Less
3:25
2.45
23.50%
61,274
15
2:50
2.21
8.40%
28,305
16
6:00
4.49
60.40%
7,671
17
5:33
3.63
6.20%
2,547
19
2:54
2.67
34.20%
22,512
20
2:38
1.78
33.10%
78,032
21
3:06
2.44
29.30%
21,722
22
Clinical experts provide current medical information and news on health topics.
2:29
2.03
60.70%
26,356
23
5:04
1.31
33.50%
943
24
2:56
2.52
22.60%
60,359
27
Authoritative weekly newspaper focusing on international politics and business news and opinion.. Less
2:35
1.78
23.20%
49,956
28
10:39
5.82
10.00%
628
29
Scans of print journals, with 10 major math journals (requires subscription).
2:60
2.83
36.30%
26,263
30
2:41
1.77
45.30%
38,965
31
Official site, with extensive information on America's National Parks and their management.
3:40
3.06
54.20%
47,991
32
Primary professional organization for chemists and related occupations.
3:25
3.46
38.60%
21,755
33
2:24
2.07
23.90%
37,282
34
Enhancing the quality of life for the American people by supporting production of agriculture.
3:38
2.67
40.60%
57,380
35
2:03
1.24
46.80%
27,940
36
2:25
2.06
4.50%
5,643
37
3:52
3.63
57.40%
3,530
38
11:22
6.16
11.90%
580
39
2:38
1.91
46.60%
29,013
40
3:25
2.58
30.40%
35,164
41
1:58
1.50
41.60%
18,453
42
10:26
7.31
40.00%
243
43
Monthly magazine of science. Website includes articles from past issues.
2:00
1.30
40.70%
28,721
44
Informative articles on automotive technology, car parts, do it yourself repair, and used cars.
2:23
1.55
41.90%
13,584
45
Advocates the free distribution of science and medical published articles.
2:12
1.56
40.00%
24,028
46
2:46
2.40
57.00%
13,829
47
5:33
2.81
12.50%
6,483
48
4:40
4.21
31.40%
24,827
49
DNA based ancestry testing to help identify your genetic relatives
7:59
6.46
21.30%
1,417
50
3:25
2.91
49.90%
1,736
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